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Stars

Total questions: 60

Worksheet time: 1hrs 20mins

Name
Class
Date
1.
What category on the H-R diagram has the majority or the most stars?
a)
Super giants
b)
White Dwarfs
c)
Giants
d)
Main Sequence
2.
Apparent (magnitude) brightness is affected by a star's distance from Earth.
a)
False
b)
True
3.
Which property of a star is the brightness of a star at a standard distance?
a)
Apparent (magnitude) brightness
b)
Absolute (magnitude) brightness
c)
Luminosity
d)
Size of the star
4.
Very hot stars are what color? 
a)
Blue
b)
Yellow
c)
Red
d)
Orange
5.
What is the color of the coolest stars?
a)
blue
b)
yellow
c)
red
d)
orange
6.
Put the stars in order from coolest to hottest.
a)
Blue, White, Yellow, Orange, Red
b)
Red, Orange, Yellow, White, Blue
c)
Red, Orange, Yellow, Blue, White
d)
Red, Yellow, Orange, White, Blue
7.
a dark spot on the photosphere of the sun
a)
corona
b)
solar flare
c)
sunspot
d)
magnitude
8.
Identify part 4.
a)
photosphere
b)
convection zone
c)
core
d)
radiation zone
9.
Identify part 7.
a)
sunspot
b)
solar flare
c)
corona
d)
radiation zone
10.

What are the inner layers of the Sun?

a)

Core, Radiative zone, and Convection zone.

b)

Crust, mantle, and core.

c)

Core, Photosphere, and Radiative Zone.

d)

The Sun doesn't have inner layers.

11.

What are the outer layers of the Sun?

a)

The Sun has only inner layers.

b)

Photosphere, Chromosphere, and Corona.

c)

Core, Radiative zone, and Convection zone.

d)

Crest, Corona, Mantle.

12.

The chart below displays the names of different stars and their colors. Which of the groups below best orders the stars from hottest to coolest?

a)

A. Antares, Spica, Sun, Aldebaran

b)

B. Sun, Spica, Antares, Aldebaran

c)

C. Spica, Sun, Aldebaran, Antares

d)

D. Antares, Aldebaran, Sun, Spica

13.

What is the same about main sequence stars?

a)

their color

b)

their size

c)

their shape

d)

their age

14.

Electrons are small negatively charged subatomic particles that are located orbiting around the nucleus of atoms.

a)

True

b)

False

15.

Which of the following subatomic particles are located in the NUCLEUS of atoms?

a)

Electrons

b)

Neutrons

c)

Protons

d)

Hydrogen

16.

What two characteristics are most important in classifying a star?

a)

Absolute Brightness and size

b)

Apparent magnitude and temperature

c)

Absolute magnitude and distance from the sun

d)

Temperature and rotation

17.

Which answer choice below accurately compares two different stars?

a)

White dwarfs are hotter and brighter than red giants

b)

Blue supergiants are brighter and cooler than red giants.

c)

Red Supergiants are cooler and brighter than white dwarfs.

d)

Red Supergiants are cooler and brighter than white dwarfs.

18.
What happens during nuclear fusion
a)
Hydrogen reacts with Oxygen to create fire.
b)
Hydrogen atoms are forced together to create Helium
c)
Uranium and Plutonium split apart and release radiation.
d)
Helium atoms break down to make hydrogen
19.

 

The end of a super giant's life is a cataclysmic explosion called a:

 

 

 

 

 

a)

Supernova

b)

Neutron star

c)

Star nursery

d)

Planetary Nebula

20.

This process, called nuclear fusion, is the energy source of all __________.

a)

planets

b)

galaxies

c)

stars

d)

plants

21.

When hydrogen is "fused" together on the Sun, what new element is created?

a)

Helium

b)

Carbon Dioxide

c)

Oxygen

d)

Light

22.

Destiny was looking at different stars in the night sky with her telescope and noticed that some stars were red while other stars were blue. What answer choice below best describes why a star would appear to have a different color?

 

 

 

 

 

a)

Blue stars are closer to Earth than red stars.

b)

Red stars are closer to Earth than blue stars.

c)

Blue stars are hotter than red stars.

d)

Red stars are hotter than blue stars.

23.

The lifetime of a star depends on its

 

 

 

a)

  temperature

b)

absolute brightness

c)

   mass

d)

. apparent brightness

24.
A very bright star can seem to be dimmer because it is 
a)
further away
b)
cooler in temperature
c)
very close
d)
batteries are dying
25.
Where does nuclear fusion occur?
a)
Space
b)
Radiation Zone
c)
Photosphere
d)
The Core
26.
How do stars generate energy?
a)
Fusion of hydrogen and helium atoms
b)
Fission of hydrogen and helium atoms
c)
Burning hydrogen
d)
Burning helium
27.
Compared to the rest of the stars, our sun is considered...
a)
Extremely Large and Cold
b)
Small with a medium temperature
c)
Medium size with medium temperature
28.
Which property is NOT used by scientists to classify stars? 
a)
color
b)
mass
c)
location
29.
What will the Sun become at the end of its lifecycle?
a)
red giant
b)
red dwarf
c)
white dwarf
d)
super nova
30.
Lightyear is used by scientist to measure what?
a)
Distance
b)
Time
c)
Energy
31.
What is responsible for bringing the particles together when a star is first born?
a)
Electrostatic Attraction
b)
Heat Energy
c)
Cosmic Radiation
d)
Gravity
32.
Protostars become stars when
a)
cold, dense nebulae form.
b)
fusion begins in their cores.
c)
they produce thermal energy.
33.
Stars are formed in a large cloud of gas and dust called a
a)
cumulonimbus cloud
b)
nebula
c)
neutron star
d)
black hole
34.
After the main sequence, a low mass star becomes a
a)
black dwarf
b)
protostar
c)
red giant
d)
supergiant
35.
After the main sequence, a high mass star becomes a
a)
black dwarf
b)
protostar
c)
red giant
d)
supergiant
36.

The core of a Red Giant collapses and becomes a ___________________.

a)

White Dwarf

b)

Blue Supergiant

c)

Red Supergiant

d)

Black Hole

37.
When a massive star begins to cool and expand it is known as a _______________.
a)
Blue Supergiant
b)
Red Giant
c)
Red Supergiant
d)
White Dwarf
38.
After a supernova, the core can collapse into a neutron star, or if massive enough even a ___________.
a)
Black Hole
b)
White Dwarf
c)
Brown Dwarf
d)
Black Dwarf
39.

At the end of their life, massive stars will either become _____________ or ______________

a)

Red Supergiant, White Dwarf

b)

Supernova, Red Giant

c)

Neutron Star, Black Hole

d)

Planatary Nebula, Blackhole

40.

All elements heavier than carbon were formed in supernova explosions.

a)

True

b)

False

41.
The life cycles of stars are determined by their:
a)
mass (size)
b)
color
c)
distance from Earth
d)
luminosity
42.
Which is not an end stage of a star?
a)
black giant
b)
black hole
c)
neutron star
d)
black dwarf
43.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular 
d)
Irrational
44.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
45.
What type of galaxy has no defined pattern or shape?
a)
Spiral 
b)
Elliptical
c)
Irregular
d)
Constellation
46.
What are galaxies held together by?
a)
Gravitational Attraction
b)
Stars
c)
Other galaxies
d)
Dust and Gas
47.
What are the the 3 types of galaxies?
a)
Spiral Galaxies, Regular Galaxies, and Lliptical Galaxies
b)
Spiral Galaxies, Irregular Galaxies, and Elliptical Galaxies
c)
 Milky Way, Elliptical Galaxies, and Spiral Galaxies
d)
Milky Way, Elliptical Galaxies, and Irregular Galaxies
48.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
49.
The type of galaxy that is composed of the older stars and low-mass stars.
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Constellation
50.
Place these objects in order from smallest to largest.
a)
Planets, solar system, universe, galaxy
b)
Solar system, planets, galaxy, universe
c)
Planets, solar system, galaxy, universe
d)
Galaxy, solar system, planets, universe
51.
Distance measurement used by astronomers for distant objects.
a)
Kilometers
b)
Light Years
c)
Miles
d)
Light Seconds
52.
What is 1 Astronomical Unit?
a)
The distance from the center of the earth to the center of the sun.
b)
The distance from the center of Earth to the center of the Moon.
c)
The distance of one entire revolution around the Sun by the Earth.
d)
The distance Light travels in a year.
53.
What is the name of our galaxy? 
a)
Our galaxy is called the Milky Way galaxy 
b)
Our galaxy is called the Andromeda galaxy 
c)
Our galaxy is called the Grand spiral  galaxy. 
d)
Our galaxy is called the Whirlpool galaxy.
54.
Does light travel instantaneously (right away)? 
a)
Light does not travel instantaneously; it takes time for light to travel through the universe. 
b)
Light travels instantaneously; it takes no time for light to travel through the universe. 
55.
Earth is __________ astronomical units from the Sun…
a)
A. 0.5
b)
B. 0.8
c)
C. 1.0
d)
D. 1.5
56.
How many stars are in a galaxy.
a)
millions or billions
b)
thousands
c)
hundreds
d)
Ten
57.
What are in galaxies?
a)
ice and rock
b)
dust, gas, and stars
c)
stars and ice
d)
water and dust
58.
The Milky Way galaxy is an example of an irregular galaxy
a)
true
b)
false
59.
In nuclear fusion, smaller atoms are forced together to create larger atoms. Does this process release, absorb or maintain energy?
a)
Absorb energy
b)
Maintain energy
c)
Release energy
60.

Breaking up the nucleus of an atom is called _________?

a)

Fusion

b)

Nuclear Reaction

c)

Fission

d)

Particle Accelerator

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